{"id":"https://openalex.org/W2011790166","doi":"https://doi.org/10.1109/igarss.2013.6721185","title":"Sparse representation of hyperspectral data using CUR matrix decomposition","display_name":"Sparse representation of hyperspectral data using CUR matrix decomposition","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2011790166","doi":"https://doi.org/10.1109/igarss.2013.6721185","mag":"2011790166"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2013.6721185","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2013.6721185","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5079644472","display_name":"Jakob Sigur\u00f0sson","orcid":"https://orcid.org/0000-0002-4978-9722"},"institutions":[{"id":"https://openalex.org/I165368041","display_name":"University of Iceland","ror":"https://ror.org/01db6h964","country_code":"IS","type":"education","lineage":["https://openalex.org/I165368041"]}],"countries":["IS"],"is_corresponding":false,"raw_author_name":"Jakob Sigurdsson","raw_affiliation_strings":["Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","institution_ids":["https://openalex.org/I165368041"]},{"raw_affiliation_string":"Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland","institution_ids":["https://openalex.org/I165368041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069292094","display_name":"Magn\u00fas \u00d6. \u00dalfarsson","orcid":"https://orcid.org/0000-0002-0461-040X"},"institutions":[{"id":"https://openalex.org/I165368041","display_name":"University of Iceland","ror":"https://ror.org/01db6h964","country_code":"IS","type":"education","lineage":["https://openalex.org/I165368041"]}],"countries":["IS"],"is_corresponding":false,"raw_author_name":"Magnus O. Ulfarsson","raw_affiliation_strings":["Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","institution_ids":["https://openalex.org/I165368041"]},{"raw_affiliation_string":"Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland","institution_ids":["https://openalex.org/I165368041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008277487","display_name":"J\u00f3hannes R. Sveinsson","orcid":"https://orcid.org/0000-0001-6309-3126"},"institutions":[{"id":"https://openalex.org/I165368041","display_name":"University of Iceland","ror":"https://ror.org/01db6h964","country_code":"IS","type":"education","lineage":["https://openalex.org/I165368041"]}],"countries":["IS"],"is_corresponding":false,"raw_author_name":"Johannes R. Sveinsson","raw_affiliation_strings":["Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","institution_ids":["https://openalex.org/I165368041"]},{"raw_affiliation_string":"Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland","institution_ids":["https://openalex.org/I165368041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035508615","display_name":"J\u00f3n Atli Benediktsson","orcid":"https://orcid.org/0000-0003-0621-9647"},"institutions":[{"id":"https://openalex.org/I165368041","display_name":"University of Iceland","ror":"https://ror.org/01db6h964","country_code":"IS","type":"education","lineage":["https://openalex.org/I165368041"]}],"countries":["IS"],"is_corresponding":false,"raw_author_name":"Jon Atli Benediktsson","raw_affiliation_strings":["Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Deptartment of Electrical Engineering, University of Iceland, Reykjavik, ICELAND","institution_ids":["https://openalex.org/I165368041"]},{"raw_affiliation_string":"Deptartment of Electr. Eng., Univ. of Iceland, Reykjavik, Iceland","institution_ids":["https://openalex.org/I165368041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I165368041"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13540692,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"23","issue":null,"first_page":"433","last_page":"436"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/endmember","display_name":"Endmember","score":0.9349559545516968},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.9149345755577087},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.7317043542861938},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5673736929893494},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.5643950700759888},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5605925917625427},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5205667614936829},{"id":"https://openalex.org/keywords/data-set","display_name":"Data set","score":0.5062088370323181},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4755235016345978},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.465694785118103},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.44710853695869446},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.43919503688812256},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35652828216552734},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.18054434657096863}],"concepts":[{"id":"https://openalex.org/C58237817","wikidata":"https://www.wikidata.org/wiki/Q5376204","display_name":"Endmember","level":3,"score":0.9349559545516968},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9149345755577087},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.7317043542861938},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5673736929893494},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.5643950700759888},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5605925917625427},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5205667614936829},{"id":"https://openalex.org/C58489278","wikidata":"https://www.wikidata.org/wiki/Q1172284","display_name":"Data set","level":2,"score":0.5062088370323181},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4755235016345978},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.465694785118103},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.44710853695869446},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.43919503688812256},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35652828216552734},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.18054434657096863},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2013.6721185","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2013.6721185","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Geoscience and Remote Sensing Symposium - IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2046793177","https://openalex.org/W2070424424","https://openalex.org/W2079390300","https://openalex.org/W2116743594","https://openalex.org/W2134327945","https://openalex.org/W2141696759","https://openalex.org/W2149414429","https://openalex.org/W2163886442","https://openalex.org/W2608809679","https://openalex.org/W6679984830"],"related_works":["https://openalex.org/W2037328426","https://openalex.org/W1990914742","https://openalex.org/W3106536224","https://openalex.org/W2891033441","https://openalex.org/W2006559622","https://openalex.org/W2890371384","https://openalex.org/W2315521504","https://openalex.org/W2563324120","https://openalex.org/W2040756827","https://openalex.org/W2051769241"],"abstract_inverted_index":{"We":[0,80],"propose":[1],"CUR":[2],"methods":[3,102],"for":[4],"hyperspectral":[5,112],"unmixing":[6],"that":[7,48,66],"decompose":[8],"the":[9,28,39,49,61,67,72,76,91,96],"data":[10,29,40,62,108],"matrix":[11],"into":[12],"non-negative":[13],"endmembers":[14,19,68],"and":[15,55,95,109],"abundance":[16],"maps.":[17],"The":[18,101],"will":[20,33,51],"be":[21,52,57],"selected":[22],"from":[23,27,60],"a":[24,110],"dictionary":[25,50],"constructed":[26],"matrix.":[30,41],"Each":[31],"endmember":[32],"coincide":[34],"with":[35],"certain":[36],"columns":[37],"of":[38,114],"By":[42],"doing":[43],"this":[44],"we":[45],"are":[46,69,103],"assured":[47],"physically":[53],"meaningful":[54],"may":[56],"interpreted":[58],"unambiguously":[59],"set.":[63],"This":[64],"assumption,":[65],"contained":[70],"within":[71],"data,":[73],"is":[74,93,98],"called":[75],"pixel":[77],"purity":[78],"assumption.":[79],"compare":[81],"two":[82],"regularization":[83],"terms":[84],"to":[85],"promote":[86],"sparsity":[87],"in":[88],"our":[89],"solutions,":[90],"first":[92],"\u21132regularization":[94],"second":[97],"vector":[99],"\u21130regularization.":[100],"evaluated":[104],"both":[105],"on":[106],"simulated":[107],"real":[111],"image":[113],"an":[115],"urban":[116],"landscape.":[117]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
